Bone anchorage system and surgical methods for same
AssigneeVertebral Anchor Systems, LLC
InventorsMichael Vitale, Christopher S. Ahmad
Life of this patent
Estimating the term…
Abstract
A bone anchoring system having a flexible member with a first end and a second end opposite the first end. A fastener provided at a first end of the flexible member for retaining the flexible member within a bone. A rigid member is provided to ensure movement or pull-through of the flexible member does not occur.
Claims9
A vertebral tethering system comprising:
- a first cannulated screw having a first end and a second end, the first cannulated screw positioned at a first location on a first vertebra, a fixation element positioned at a second location on a periphery of the first vertebra;
- a second cannulated screw having a first end and a second end, the second cannulated screw positioned at a first location on a second vertebra, a fixation element positioned at a second location on a periphery of the second vertebra,
- a flexible member having a proximal portion and a distal portion positioned to extend through the first cannulated screw to the first fixation element and through the second cannulated screw and second fixation element,
- a tensioning mechanism positioned to engage the flexible member enabling the flexible member to be tensioned and secured in place for tethering the first and second vertebra together.
A cannulated screw for use in spinal fixation having a first head end and a second end longitudinally separated by an externally threaded shaft, the shaft is cannulated forming a passageway from the first head end to the second end, the passageway comprising first and second channels separated by a common wall.
Dependencies are inferred from the claim text.